DoorWorthy

Who needs an assumed business name registration (DBA) in Montana?

Issued by Montana Secretary of State, Business Services, at step 1 of 6 in the opening sequence: set up the business.

Every kind of business in Montana

The Montana table lists this for every kind of business.

Needed whenever the business trades under any name other than the owner’s legal name or the LLC’s registered name. Filed online with the Secretary of State, not the county; the office sends a renewal reminder before the registration lapses.

Checked Oct 21, 2026 against the agency’s page.

Step 1 of 6: Set up the business

  1. Set up the business
  2. Register for tax
  3. Approve the space
  4. Get the permits for your kind of business
  5. Alcohol permits
  6. Before the first hire

Issued by Montana Secretary of State, Business Services.

Sources and dates

Secretary of State business services fee schedule (assumed business name registration and renewal). Checked against the agency’s page on the date shown; cities add their own fees.

Questions about opening here.